Update pip install to use whl/cpu

Author: rwightman

.github/workflows/tests.yml

@@ -17,7 +17,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         python: ['3.10', '3.12']
-        torch: [{base: '1.13.0', vision: '0.14.0'}, {base: '2.4.0', vision: '0.19.0'}]
+        torch: [{base: '1.13.0', vision: '0.14.0'}, {base: '2.4.1', vision: '0.19.1'}]
         testmarker: ['-k "not test_models"', '-m base', '-m cfg', '-m torchscript', '-m features', '-m fxforward', '-m fxbackward']
         exclude:
           - python: '3.12'
@@ -46,7 +46,7 @@ jobs:
         sudo sed -i 's/azure\.//' /etc/apt/sources.list
         sudo apt update
         sudo apt install -y google-perftools
-        pip install --no-cache-dir torch==${{ matrix.torch.base }}+cpu torchvision==${{ matrix.torch.vision }}+cpu -f https://download.pytorch.org/whl/torch_stable.html
+        pip install --no-cache-dir torch==${{ matrix.torch.base }}+cpu torchvision==${{ matrix.torch.vision }}+cpu --index-url https://download.pytorch.org/whl/cpu
     - name: Install requirements
       run: |
         pip install -r requirements.txt